Well, without refined composite data, I can’t even begin to try answer your question. And even then any analysis (by anyone) is just going to be a highly educated guess. Though, I obviously do think we should try to make ‘good’ guesses.
But I will say that I don’t think the same ‘socialist’ rhetoric and fear-mongering (on both sides, mind) was used in those previous cycles.
To me, this election saw a distinct shift to 50s style ‘pinko/red scare’ tactics, mostly from the Trump/Republican side, which were not really present in 2016 or the recent previous elections. It was at toxic levels at various times, framed around hyperbolic assertions that the democrats would destroy private property rights, nationalise everything, and control all aspects of an American’s life. This was not just “Obama is gonna take your guns”. This was total societal and economic collapse of the nation. The dial was turned up to 11. It even caused more ferocious infighting within the Democratic Party than seen in 2016. And I do think it was designed, in part, to appeal to the Latinx community who have had horrific direct/indirect experiences with failed socialist states. Whether it actually worked remains to be seen.
I really don’t think previous elections compare.